这一点你在谈话中不必提及。
另一个用于计数的原理似乎是显然的,而不必提及,但它的应用有时却相当巧妙。
Another principle of counting seems almost too obvious to mention, but its applications are sometimes quite subtle.
另一个用于计数的原理似乎是显然的,而不必提及,但它的应用有时却相当巧妙。
Another principle of counting seems almost too obvious to mention, but its applications are sometimes quite subtle.
应用推荐